<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<style>

    .content {
        display: flex;
    }
    .item {
        width: 50px;
        background: red;
    }

    .item:not(:first-child) {
        margin-left: 100px;
    }

</style>

<body>
    
    <div class="content">
        <div class="item">1</div>
        <div class="item">2</div>
        <div class="item">3</div>
        <div class="item">4</div>
        <div class="item">5</div>
    </div>

</body>
</html>